NPPES file of Aug 9, 2026

Amy L. Brien, MD

Obstetrics & Gynecology Physician · Mankato, MN

Amy L. Brien, MD is an obstetrics & gynecology physician with a practice address in Mankato, Minnesota, and NPI 1578743266, issued on Nov 9, 2007. Check the license (Minnesota 51329, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1578743266
Name
Amy L. Brien
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
51329 MN
103853 MN
Self-reported in NPPES; status is on the state search
Practice location
1015 Marsh St, Mankato, MN 56001
Phone
(507) 385-4842
Enumerated
Nov 9, 2007
Record last updated
Sep 18, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20080806000687); accepts Medicare assignment
Medical or professional school
State University Of New York At Buffalo School Of Medicine, 2004
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1015 Marsh St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mark Cardamone-RaynerOtolaryngology Physician1649254525
  2. Katie Dease, AUDAudiologist1417276155
  3. Ryan Foley, M.D.Orthopaedic Surgery Physician1508051079
  4. Frederick Foss, MDTrauma Surgery Physician1528041134
  5. Robert FreedOrthopaedic Surgery Physician1649408543
  6. Cheryl Hallsted, PASurgical Physician Assistant1003890989

Verify Amy L. Brien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 51329
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Minnesota license search

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18% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

136 Medicare Part D claims for 50 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Amy Brien136
  2. Specialty average165

Most prescribed

  1. Kurvelo19 claims
  2. Clobetasol Propionate17 claims
  3. Estradiol17 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Mayo Clinic Health System-Southwest Minnesota RegionMankato, MN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Obstetrics & Gynecology Physician providers in Minnesota

There are 878 obstetrics & gynecology physician records in Minnesota.

Other obstetrics & gynecology physician records in Minnesota

  1. Ifrah Abdi, MDBloomington, MN1467629485
  2. Isahaq Abdullahi, M.D.Wyoming, MN1780904532
  3. Farhiyo Abdulle, M.D.Minneapolis, MN1598108631
  4. Sara Ackermann, D.O.Roseville, MN1821232661
  5. Kailynn AdamBloomington, MN1912466020
  6. Wanda Adefris, M.D.Woodbury, MN1235115577
  7. Nissiya Adjei, MDRochester, MN1245084565
  8. Cephas Agbeh, M.D.Columbia Heights, MN1407817091
  9. Robert Ahrens, M.D.Minneapolis, MN1619085032
  10. Dale Akkerman, M.D.Burnsville, MN1043295942

Common questions

What is Amy L. Brien, MD's NPI number?

Amy L. Brien, MD's National Provider Identifier (NPI) is 1578743266, issued on Nov 9, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Amy L. Brien, MD located?

The NPPES record lists a practice address at 1015 Marsh St, Mankato, MN, 56001. Phone: (507) 385-4842. Providers update this record themselves, so call before visiting.

How can I verify Amy L. Brien, MD's license?

NPPES lists Minnesota license number 51329, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Amy L. Brien, MD prescribe under Medicare Part D?

In 2024, Amy L. Brien, MD had 136 Medicare Part D claims for 50 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.